20CrNiMoH A50205 - GB /T 5216-2014

Grade	20CrNiMoH
China ISC	A50205
Corresponding Standard	GB /T 5216-2014 Structural Steels with Specified Hardenability Bands
Classification	Alloy Steel

20CrNiMoH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Ni	Cu ^②	Mo	O
Minimum Value	0.17	0.17	0.6	-	-	0.35	0.35	-	0.15	-
Maximum Value	0.23	0.37	0.95	0.03	0.035	0.65	0.75	0.25	0.25	0.002

20CrNiMoH Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Annealing or High-Temperature Tempering	≤197

1 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

20CrNiMoH

A50205

SNCM220H

8620H

H86200

20NiCrMo2H

20NiCrMo2-2

1.6523

20NiCrMo2-2

20ХГНМ

2506

(805H17)

2 Approximate Comparison Table Structural Alloy Steel

China	Japan	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
GB	JIS	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
20CrNiMoH	SNCM220 SNCM220H	20NiCrMo2-2 20NiCrMo2	21NiCrMo2	20NCD2	20NiCrMo2-2	1.6523	20KHGNM	805M20

3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	International Organization for Standardization	European Standard
GB	JIS	ISO	EN	Numerical Grade
20CrNiMoH	SNCM220 SNCM220H	20NiCrMo2-2	20NiCrMo2-2	1.6523

20CrNiMoH Corresponding Standards(Same grade name, different standards)

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